<template>
  <a-card :loading="cardLoading" :bordered="false" style="height: 100%;">
    <a-spin :spinning="loading">
      <a-input-search @search="handleSearch" style="width:100%;margin-top: 10px" placeholder="输入机构名称查询..."
                      enterButton />

      <a-tree
        showLine
        checkStrictly
        :expandedKeys.sync="expandedKeys"
        :selectedKeys="selectedKeys"
        :dropdownStyle="{maxHeight:'200px',overflow:'auto'}"
        :treeData="treeDataSource"
        @select="handleTreeSelect"
      />
    </a-spin>
  </a-card>
</template>

<script>
import { queryDepartTreeList, searchByKeywords } from '@/api/api'

export default {
  name: 'AddressListLeft',
  props: ['value'],
  data() {
    return {
      cardLoading: true,
      loading: false,
      treeDataSource: [],
      selectedKeys: [],
      expandedKeys: []
    }
  },
  created() {
    this.queryTreeData()
  },
  methods: {

    queryTreeData(keyword) {
      this.commonRequestThen(queryDepartTreeList({
        departName: keyword ? keyword : undefined
      }))
    },

    handleSearch(value) {
      if (value) {
        this.commonRequestThen(searchByKeywords({ keyWord: value }))
      } else {
        this.queryTreeData()
      }
    },

    handleTreeSelect(selectedKeys, event) {
      //update-begin---author:wangshuai ---date:20220107  for：[JTC-378]通讯录 选中某个部门查询部门人员，想再取消选中查全部，无法取消，只能重新刷新界面------------
      if (selectedKeys.length > 0) {
        if (this.selectedKeys[0] !== selectedKeys[0]) {
          this.selectedKeys = [selectedKeys[0]]
          let orgCode = event.node.dataRef.orgCode
          this.emitInput(orgCode)
        }
      } else {
        this.selectedKeys = []
        this.emitInput('')
      }
      //update-end---author:wangshuai ---date:20220107  for：[JTC-378]通讯录 选中某个部门查询部门人员，想再取消选中查全部，无法取消，只能重新刷新界面------------
    },

    emitInput(orgCode) {
      this.$emit('input', orgCode)
    },

    commonRequestThen(promise) {
      this.loading = true
      promise.then(res => {
        if (res.success) {
          this.treeDataSource = res.result
          // update-begin- --- author:wangshuai ------ date:20200102 ---- for:去除默认选中第一条数据、默认展开所有第一级
          // 默认选中第一条数据、默认展开所有第一级
          // if (res.result.length > 0) {
          //   this.expandedKeys = []
          //   res.result.forEach((item, index) => {
          //     if (index === 0) {
          //       this.selectedKeys = [item.id]
          //       this.emitInput(item.orgCode)
          //     }
          //     this.expandedKeys.push(item.id)
          //   })
          // }
          // update-end- --- author:wangshuai ------ date:20200102 ---- for:去除默认选中第一条数据、默认展开所有第一级
        } else {
          this.$message.warn(res.message)
          console.error('组织机构查询失败:', res)
        }
      }).finally(() => {
        this.loading = false
        this.cardLoading = false
      })
    }

  }
}
</script>

<style scoped>

</style>